tests/valgrind.supp - master - niceSOFT/libssh

tests/valgrind.supp
515 строк9 KB
Pavol Žáčik
Add more krb5-related Valgrind suppressions
09 мар 2026, 20:20
09 мар 2026, 20:208d563f9
### GLIBC
{
   glibc_regcomp
   Memcheck:Leak
   fun:*alloc
   ...
   fun:regcomp
}
{
   glibc_getaddrinfo_leak
   Memcheck:Leak
   fun:malloc
   fun:make_request
   fun:__check_pf
   fun:getaddrinfo
   fun:getai
   fun:ssh_connect_host_nonblocking
}

{
   glibc_dlopen_getdelim_selinux
   Memcheck:Leak
   fun:malloc
   fun:getdelim
   obj:/lib64/libselinux.so.1
   fun:call_init
   fun:_dl_init
   obj:/lib64/ld-2.15.so
}

{
   glibc_dlopen_alloc
   Memcheck:Leak
   fun:calloc
   fun:_dlerror_run
   fun:dlopen@@GLIBC_2.2.5
}

### VALGRIND
{
    valgrind_exit_free_bug
    Memcheck:Free
    fun:free
    fun:__libc_freeres
    fun:_vgnU_freeres
    fun:__run_exit_handlers
    fun:exit
}


### OPENSSL
{
   openssl_crypto_value8
   Memcheck:Value8
   fun:*
   obj:/lib*/libcrypto.so*
}

{
   openssl_crypto_value4
   Memcheck:Value4
   fun:*
   obj:/lib*/libcrypto.so*
}

{
   openssl_crypto_cond
   Memcheck:Cond
   fun:*
   obj:/lib*/libcrypto.so*
}

{
   openssl_BN_cond
   Memcheck:Cond
   fun:BN_*
}

{
   openssl_bn_value8
   Memcheck:Value8
   fun:bn_*
}

{
   openssl_bn_value4
   Memcheck:Value4
   fun:bn_*
}

{
   openssl_AES_cond
   Memcheck:Cond
   fun:AES_*
}

{
   openssl_DES_cond
   Memcheck:Cond
   fun:DES_*
}

{
   openssl_DES_value8
   Memcheck:Value8
   fun:DES_*
}

{
   openssl_DES_value4
   Memcheck:Value4
   fun:DES_*
}

{
   openssl_BF_cond
   Memcheck:Cond
   fun:BF_*
}

{
   openssl_SHA1_cond
   Memcheck:Cond
   fun:SHA1_*
}
{
   openssl_CRYPTO_leak
   Memcheck:Cond
   fun:OPENSSL_cleanse
}
{
   openssl_FIPS_dlopen_leak
   Memcheck:Leak
   match-leak-kinds: reachable
   fun:calloc
   fun:_dlerror_run
   fun:dlopen*
   obj:/lib64/libcrypto.so*
   fun:FIPS_module_mode_set
   fun:FIPS_mode_set
   fun:OPENSSL_init_library
}
{
   Threads + Failed PEM decoder do not play well openssl/openssl#29077
   Memcheck:Leak
   match-leak-kinds: definite
   fun:malloc
   fun:CRYPTO_malloc
   fun:CRYPTO_zalloc
   fun:ossl_rcu_read_lock
   fun:module_find
   fun:module_run
   fun:CONF_modules_load
   fun:CONF_modules_load_file_ex
   fun:ossl_config_int
   fun:ossl_config_int
   fun:ossl_init_config
   fun:ossl_init_config_ossl_
   fun:__pthread_once_slow.isra.0
   fun:pthread_once@@GLIBC_2.34
   fun:CRYPTO_THREAD_run_once
   fun:OPENSSL_init_crypto
   fun:ossl_provider_doall_activated
   fun:ossl_algorithm_do_all
   fun:ossl_method_construct.constprop.0
   fun:inner_evp_generic_fetch.constprop.0
   fun:evp_generic_do_all
   fun:EVP_KEYMGMT_do_all_provided
   fun:ossl_decoder_ctx_setup_for_pkey
   fun:OSSL_DECODER_CTX_new_for_pkey
   fun:pem_read_bio_key_decoder
   fun:pem_read_bio_key
   fun:PEM_read_bio_PrivateKey_ex
   fun:pki_private_key_from_base64
   ...
}
# Cmocka
{
   This looks like leak from cmocka when the forked server is not properly terminated
   Memcheck:Leak
   match-leak-kinds: reachable
   fun:calloc
   ...
   fun:_cmocka_run_group_tests
   fun:torture_run_tests
   fun:main
}

## libgcrypt
{
   Reachable allocations from libgcrypt
   Memcheck:Leak
   match-leak-kinds: reachable
   fun:malloc
   ...
   fun:gcry_check_version
   fun:ssh_crypto_init
   fun:_ssh_init
   fun:libssh_constructor
   ...
}
{
   randomize in libgcrypt keeps some memory around
   Memcheck:Leak
   match-leak-kinds: reachable
   fun:malloc
   ...
   fun:ssh_get_random
   ...
}
{
   EC key operation allocs some reachable memory
   Memcheck:Leak
   match-leak-kinds: reachable
   fun:malloc
   ...
   fun:gcry_pk_sign
   ...
}
{
   EC key operation allocs some reachable memory
   Memcheck:Leak
   match-leak-kinds: reachable
   fun:malloc
   ...
   fun:gcry_pk_verify
   ...
}
{
   EC key generation allocs some reachable memory
   Memcheck:Leak
   match-leak-kinds: reachable
   fun:malloc
   ...
   fun:gcry_pk_genkey
   ...
}
# NSS
{
   Reachable memory from getaddrinfo
   Memcheck:Leak
   match-leak-kinds: reachable
   fun:malloc
   ...
   fun:__nss_module_get_function
   ...
   fun:getaddrinfo
   ...
   fun:torture_*
   ...
   fun:_cmocka_run_group_tests
   fun:torture_run_tests
   fun:main
}
## libkrb5
# krb5_mcc_generate_new allocates a hashtab on a static global variable
# It doesn't get freed.
{
   Reachable memory from getaddrinfo
   Memcheck:Leak
   match-leak-kinds: reachable
   fun:malloc
   fun:malloc
   fun:strdup
   fun:_dl_load_cache_lookup
   fun:_dl_map_object
   fun:dl_open_worker_begin
   fun:_dl_catch_exception
   fun:dl_open_worker
   fun:_dl_catch_exception
   fun:_dl_open
   fun:do_dlopen
   fun:_dl_catch_exception
   fun:_dl_catch_error
   fun:dlerror_run
   ...
   fun:getaddrinfo
   ...
   fun:gss_init_sec_context
   fun:ssh_gssapi_init_ctx
   ...
   fun:ssh_userauth_gssapi
   fun:torture_gssapi_auth_server_identity
   ...
   fun:_cmocka_run_group_tests
   fun:torture_run_tests
   fun:main
}

{
   Reachable memory from getaddrinfo
   Memcheck:Leak
   match-leak-kinds: reachable
   fun:malloc
   fun:UnknownInlinedFun
   fun:_dl_new_object
   fun:_dl_map_object_from_fd
   fun:_dl_map_object
   fun:dl_open_worker_begin
   fun:_dl_catch_exception
   fun:dl_open_worker
   fun:_dl_catch_exception
   fun:_dl_open
   fun:do_dlopen
   fun:_dl_catch_exception
   fun:_dl_catch_error
   fun:dlerror_run
   ...
   fun:getaddrinfo
   ...
   fun:gss_init_sec_context
   fun:ssh_gssapi_init_ctx
   ...
   fun:ssh_userauth_gssapi
   fun:torture_gssapi_auth_server_identity
   ...
   fun:_cmocka_run_group_tests
   fun:torture_run_tests
   fun:main
}

{
   Reachable memory from libkrb5
   Memcheck:Leak
   match-leak-kinds: reachable
   fun:malloc
   fun:k5_hashtab_create
   ...
   fun:krb5_mcc_generate_new*
}
{
   Error string from acquire creds in krb5
   Memcheck:Leak
   match-leak-kinds: reachable
   fun:malloc
   ...
   fun:krb5_gss_save_error_string
   ...
   fun:acquire_cred_context.isra.0
   fun:acquire_cred_from.isra.0
   fun:gss_add_cred_from
   fun:gss_acquire_cred_from
}
{
   error string from gss init sec context
   Memcheck:Leak
   match-leak-kinds: reachable
   fun:malloc
   ...
   fun:krb5_gss_save_error_string
   ...
   fun:krb5_gss_init_sec_context_ext
   fun:krb5_gss_init_sec_context
   fun:gss_init_sec_context
}


## sk-dummy.so
# The sk-dummy.so enroll function allocates 1-byte memory for the signature, but marks the signature length as 0.
# Since, we use burn_free to free the signature, it skips the freeing because the size is 0, which results in a memory leak.
{
   sk-dummy.so memory leak in sk_enroll
   Memcheck:Leak
   match-leak-kinds: definite
   fun:calloc
   fun:sk_enroll
   fun:pki_sk_enroll_key
   ...
}


{
   malloc inside expand_hostname
   Memcheck:Leak
   match-leak-kinds: reachable
   fun:malloc
   ...
   fun:expand_hostname
   fun:canonicalize_princ
   fun:krb5_sname_to_principal
   fun:krb5_gss_import_name
   fun:gssint_import_internal_name
   fun:gss_init_sec_context
   fun:ssh_gssapi_init_ctx
}
{
   malloc in krb5_build_principal
   Memcheck:Leak
   match-leak-kinds: indirect
   fun:malloc
   ...
   fun:krb5_build_principal_alloc_va
   fun:krb5_build_principal
   ...
   fun:gss_add_cred_from
   fun:gss_acquire_cred_from
   fun:gss_acquire_cred
}
{
   malloc in krb5_build_principal
   Memcheck:Leak
   match-leak-kinds: indirect,definite
   fun:malloc
   fun:krb5_build_principal_alloc_va
   fun:krb5_build_principal
   ...
   fun:gss_add_cred_from
   fun:gss_acquire_cred_from
   fun:gss_acquire_cred
}
{
   calloc in krb5_build_principal
   Memcheck:Leak
   match-leak-kinds: indirect
   fun:calloc
   ...
   fun:krb5_build_principal_alloc_va
   fun:krb5_build_principal
   ...
   fun:gss_add_cred_from
   fun:gss_acquire_cred_from
   fun:gss_acquire_cred
}

# Function mecherror_copy called in various
# functions of the krb5 library copies entries
# to the global error mapping table (mecherrmap m).
{
   Global error mapping table in krb5
   Memcheck:Leak
   match-leak-kinds: reachable
   fun:malloc
   fun:mecherror_copy
}

# Function add_error_table called in various
# functions of the krb5 library adds entries
# to a global list of error tables et_list.
{
   Global list of error tables in krb5
   Memcheck:Leak
   match-leak-kinds: reachable
   fun:malloc
   fun:add_error_table
}

# Function build_mechSet builds the global
# gss_OID_set_desc g_mechSet which is only
# free'd when initialized again.
{
   Global OID set in krb5
   Memcheck:Leak
   match-leak-kinds: reachable
   fun:malloc
   ...
   fun:build_mechSet
}

# Function gssint_register_mechinfo()
# called from gssint_mechglue_init() adds
# entries to a global linked list g_mechList.
{
   Global list of gss_mech_info in krb5
   Memcheck:Leak
   match-leak-kinds: reachable
   fun:malloc
   ...
   fun:gssint_register_mechinfo*
   ...
   fun:gssint_mechglue_init
}

# Function addConfigEntry() called during
# updateMechList() adds entries to
# a global linked list g_mechList.
{
   Global list of gss_mech_info in krb5
   Memcheck:Leak
   match-leak-kinds: reachable
   fun:malloc
   ...
   fun:addConfigEntry
   ...
   fun:updateMechList
}

# Function loadInterMech() called during
# updateMechList() loops through the global
# linked list g_mechList and updates its entries
# with heap-alloced  "interposer fields".
{
   Global list of gss_mech_info in krb5
   Memcheck:Leak
   match-leak-kinds: reachable
   fun:malloc
   ...
   fun:loadInterMech
   ...
   fun:updateMechList
}

# Multiple krb5 functions call krb5int_open_plugin
# which opens shared libraries using dlopen.
# The plugin handle then seems to be stored in the
# main krb5 context.
{
   Plugin handles stored in the krb5 context
   Memcheck:Leak
   match-leak-kinds: reachable
   fun:malloc
   ...
   fun:dlopen*
   ...
   fun:krb5int_open_plugin
}